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    Re: Timing Lunars with a Rock
    From: Herbert Prinz
    Date: 2005 Jul 20, 13:03 -0400

    Frank Reed wrote (in reply to a suggestion by Alexandre Eremenko)
    
    >"I suppose a sandglass has at least the same  precision
    >as a crude pendulum discussed above."
    >
    >Much easier to make a  pendulum from scratch!
    >
    >
    A sandglass may have the same precision, but it does not have the same
    resolution as a pendulum. It's no substitute.
    
    Herbert Prinz
    
    
    

       
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